.035" Check other tuning information as listed on the radiator fan shroud.
.60
.065
.60
.045
0.06
.45
Consult the underhood sticker.
The spark plug gap for a GM vortec V6 is .060
Consult the underhood sticker. By the way, the last Astro was in the 2005 model year.
.060 in inches.
I was quoted $120 without new spark plug wires.
.042 to .043 should be good for gap!